Semiconductor device and method for producing a semiconductor device

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United States of America Patent

PATENT NO 9905755
SERIAL NO

15489237

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Abstract

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A semiconductor device includes first pillar-shaped silicon layers, a first gate insulating film formed around the first pillar-shaped silicon layers, gate electrodes formed of metal and formed around the first gate insulating film, gate lines formed of metal and connected to the gate electrodes, a second gate insulating film formed around upper portions of the first pillar-shaped silicon layers, first contacts formed of a first metal material and formed around the second gate insulating film, second contacts formed of a second metal material and connecting upper portions of the first contacts and upper portions of the first pillar-shaped silicon layers, diffusion layers formed in lower portions of the first pillar-shaped silicon layers, and variable-resistance memory elements formed on the second contacts.

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Patent Owner(s)

Patent OwnerAddress
UNISANTIS ELECTRONICS SINGAPORE PTE LTDSINGAPORE 179098

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Masuoka, Fujio Tokyo, JP 412 6771
Nakamura, Hiroki Tokyo, JP 382 4527

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